Which materials are magnetic?

Magnets exert their force through a?

Which pair shows correct magnetic pole behavior?

An electromagnet becomes stronger when you....

What turns on electromagnet on and off?

Electromagnets need electric current to work

Magnetic fields are strongest at the poles

Permanent magnets are weaker than electromagnets 

Explain how electromagnetic cranes help in recycling metal waste?

Describe one way engineers strengthen electromagnets inside electric motors